pulse
Palmer Station, Antarctica (seismic) archived on June 7, 2025
download
spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Sat Jun 7 23:20:45 2025 6.2 -47.83 116.02 6 western Indian-Antarctic Ridge Sat Jun 7 11:06:04 2025 5.5 -57.25 -66.70 6 Argentina (289 km SSE of Ushuaia, Argentina) Sat Jun 7 07:33:40 2025 5.5 -14.92 66.81 6 Mid-Indian Ridge Fri Jun 6 19:28:31 2025 5.9 -21.96 -177.87 6 Tonga (280 km WSW of Houma, Tonga) Fri Jun 6 17:15:06 2025 6.4 -26.64 -70.49 6 Chile (52 km WSW of Diego de Almagro, Chile) Total: 5 events.

About this archived stream:

Station : PMSA (network: IRIS/USGS) at Palmer Station, Antarctica
Sensor : STS-1VBB_w/E300
Recorder : Q330 @ 100 Hz
Pod : ms-rhea@x.x.31.38 | macOS 15.3 | psm v. 178
Speedup : ×500 (transposed up about 9 octaves)
Loop duration (real) : 48 hours
Loop duration (audio) : 05:45 (stereo)
Data channels : miniseed (IU.PMSA.00.BH1 IU.PMSA.00.BH2)
RMS : 0.005641
Spectrogram type : raw
Gain correction : 25dB
SoX post-processing : highpass -2 90 highpass -2 90
compand 0.001,0.01 6:-80,-50,-40,-10,0,-3
Archived on : Sun Jun 8 00:04:50 UTC 2025 (about 11 months ago)
Metadata source : auto-archived factoids